CALCULUS:GRAPHICAL,NUMERICAL,..-PACKAGE
5th Edition
ISBN: 9780133320381
Author: Finney
Publisher: SAVVAS L
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9.
A function modeling the number of AIDS cases reported t years after 1990 in
a certain location is given by
C(t) = 456 + 1234te-0.14
%3D
According to the model, in what year the number of AIDS cases reported started to(decrease?
A radioactive material loses mass according to the exponential relation y = 170
n
(3)
28
where y is measured in grams and n is the number of days. Determine the
amount of material remaining after 29 days.
Use exponential regression to find the value of y when x = 50. Round your answer to the nearest whole
number.
5
10
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25
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35
y
212
223
235
249
263
280
306
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